Vital signs monitor



FIG. 1 is a left front perspective view of a vital signs monitor showing my new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a right side elevational view thereof; and

FIG. 7 is a rear elevational view thereof. 

The ornamental design for a vital signs monitor, as shown. 